1. to keep in touch with friends and family.
2. To stay up-to-date with news and current events.
3. To fill up spare time.
He used the profit he made as an investment, and in this way his fortune grew ever bigger and bigger. If ever there was a profit, he would not spend it, but use to expand the current business, or if this way not optimal, to buy new businesses and assets.
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A process that uses observation and experimentation to gain knowledge is called science. The organized set of investigation procedures which is used in science is called a scientific method. Applied science on the other hand is referred to as technology.
